Mitsubishi Electric Mr.Slim PEA-RP100, Installation Manual

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10. Maintenance
10.1. Gas charge
[Fig. 10-1] (P.12)
Ⓐ Indoor unit
Ⓑ Union
Ⓒ Liquid pipe
Ⓓ Gas pipe
Ⓔ Stop valve
Ⓕ Outdoor unit
Ⓖ Refrigerant gas cylinder operating valve
Ⓗ
Refrigerant gas cylinder for R410A with siphon
Ⓘ Refrigerant (liquid)
Ⓙ Electronic scale for refrigerant charging
Ⓚ Charge hose (for R410A)
Ⓛ Gauge manifold valve (for R410A)
Ⓜ Service port
1. Connect gas cylinder to the service port of stop valve (3-way).
2. Execute air purge of the pipe (or hose) coming from refrigerant gas
cylinder.
3. Replenish specified amount of refrigerant, while running the air
conditioner for cooling.
Note:
In case of adding refrigerant, comply with the quantity specified for the refrigerating
cycle.
Caution:
• Do not discharge the refrigerant into the atmosphere.
Take care not to discharge refrigerant into the atmosphere during
installation, reinstallation, or repairs to the refrigerant circuit.
• For additional charging, charge the refrigerant from liquid phase of the gas
cylinder.
If the refrigerant is charged from the gas phase, composition change may
occur in the refrigerant inside the cylinder and the outdoor unit. In this
case, ability of the refrigerating cycle decreases or normal operation can be
impossible. However, charging the liquid refrigerant all at once may cause
the compressor to be locked. Thus, charge the refrigerant slowly.
To maintain the high pressure of the gas cylinder, warm the gas cylinder with warm
water (under 40°C) during cold season. But never use naked fire or steam.
9. Test run
For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table.
LED 1 (power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is always lit.
LED 2 (power for remote controller) Indicates whether power is supplied to the remote controller. This LED lights only in the case of
the indoor unit which is connected to the outdoor unit refrigerant address “0”.
LED 3 (communication between indoor and outdoor units) Indicates state of communication between the indoor and outdoor units. Make sure that this LED is
always blinking.
9.4. AUTO RESTART FUNCTION
Indoor controller board
This model is equipped with the AUTO RESTART FUNCTION.
When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are memorized by the indoor controller board.
The auto restart function sets to work the moment the power has restored after power failure, then, the unit will restart automatically.
Set the AUTO RESTART FUNCTION using the remote controller. (Mode no.01)
On the wireless remote controller with conditions above, following phenomena takes place.
• No signals from the remote controller are accepted.
• OPE lamp is blinking.
• The buzzer makes a short ping sound.
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
11. Specifications
Model PEA-RP100GAA PEA-RP125, 140GAA
Power input kW 0.21 0.49
Current A 1.83 3.84
Air flow rate
(Hi-Lo)
50Pa
m 3 /min 42-34
60-48
100Pa 54-43
150Pa 52-41
Sound level at 50Pa
(Hi-Lo)
dB(A) 42-39 45-42
Weight kg 63 63